Not listen to Dispatcher.ShutdownStarted event
Inherit from NotificationObject
Rename view load/unload event handler name in dynNoteView
Rename event handlers
Rename event handlers
Minor cleanup
Minor cleanup
Implemented some tests to verify DynamoScheduler shutdown sequence
Merge pull request #2890 from ke-yu/inotifypropertychanged

Inherit from NotificationObject to avoid memory leak in data binding
Merge pull request #2907 from Benglin/SchedulerUnitTest

Added unit test cases for scheduler
Merge pull request #2888 from ke-yu/remove_dispatcher_shutdown

Not register event handler for Dispatcher.ShutdownStarted event
Merge branch 'master' into Revit2015
Merge pull request #2910 from ke-yu/Revit2015

Cross merge master into Revit2015